Patents by Inventor William J. Esdale

William J. Esdale has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4055667
    Abstract: A liquid animal feed supplement. The liquid feed supplement, which is gravitationally stable for prolonged periods of time, comprises essentially a colloidal mixture of spent brewers' yeast and a water dispersible water-binding agent in an aqueous alcoholic medium.
    Type: Grant
    Filed: December 3, 1975
    Date of Patent: October 25, 1977
    Assignee: Ogilvie Mills Ltd.
    Inventors: John H. Linton, William J. Esdale, John Viscount Cross